D-And F-Block Elements Ques 418

Question: Ce-58 is a member of

[Pb. CET 2002]

Options:

A) s-block

B) p-block

C) d-block

D) f-block

Show Answer

Answer:

Correct Answer: D

Solution:

Ce58 have configuration 1s2,2s22p6,3s23p63d10, 4s24p64d104f2,5s25p65d0,6s2 Since, its last electron enter in f- sub-shell, therefore it is a member of f-block.



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